Sean Penn, Justin Bieber Dye Their Hair Blond (PHOTOS)

First, Jake Owen shocked everyone by chopping off his signature long hair. And now, two more male celebs have made surprising mane changes: Sean Penn and Justin Bieber. The stars (who usually make headlines for getting in spats with the paparazzi) have captured our attention with their new dos.

Rindoff/Dufour/Getty; FameFlynet

Penn recently debuted a lighter, sun-kissed hue that has us reminiscing about his Jeff Spicoli days. It's now also a shade closer to girlfriend Charlize Theron 's hair.

RELATED PHOTOS: Weigh in on the latest celebrity hair makeovers

Pierre Suu/Getty; Stoianov/FameFlynet

But Bieber gets the award for most dramatic switch-up, going all-out platinum. Could it be his breakover move to get Selena Gomez 's attention? Or maybe he's trying to channel Eminem circa 2001? Or perhaps it's just going to be his new hair from now on. Regardless, we can't wait to get a closer look at his new hue.

What do you think of the new blonds? Whose look do you like better? Share your thoughts below. -Brittany Talarico